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OCP: Oracle Certified Professional Java SE 8 Programmer II Study Guide is your comprehensive companion for preparing for Exam 1Z0-809 as well as upgrade Exam 1Z0-810 and Exam 1Z0-813. With full coverage of 100% of exam objectives, this invaluable guide reinforces what you know, teaches you what you don't know, and gives you the hands-on practice you need to boost your skills. Written by expert Java developers, this book goes beyond mere exam prep with the insight, explanations and perspectives that come from years of experience. You'll review the basics of object-oriented programming, understand functional programming, apply your knowledge to database work, and much more. From the basic to the advanced, this guide walks you through everything you need to know to confidently take the OCP 1Z0-809 Exam and upgrade exams 1Z0-810 and 1Z0-813.
Java 8 represents the biggest changes to the language to date, and the latest exam now requires that you demonstrate functional programming competence in order to pass. This guide has you covered, with clear explanations and expert advice.
* Understand abstract classes, interfaces, and class design
* Learn object-oriented design principles and patterns
* Delve into functional programming, advanced strings, and localization
* Master IO, NIO, and JDBC with expert-led database practice
If you're ready to take the next step in your IT career, OCP: Oracle Certified Professional Java SE 8 Programmer II Study Guide is your ideal companion on the road to certification.
OCP: Oracle Certified Professional Java SE 8 Programmer II Study Guide is your comprehensive companion for preparing for Exam 1Z0-809 as well as upgrade Exam 1Z0-810 and Exam 1Z0-813. With full coverage of 100% of exam objectives, this invaluable guide reinforces what you know, teaches you what you don't know, and gives you the hands-on practice you need to boost your skills. Written by expert Java developers, this book goes beyond mere exam prep with the insight, explanations and perspectives that come from years of experience. You'll review the basics of object-oriented programming, understand functional programming, apply your knowledge to database work, and much more. From the basic to the advanced, this guide walks you through everything you need to know to confidently take the OCP 1Z0-809 Exam and upgrade exams 1Z0-810 and 1Z0-813.
Java 8 represents the biggest changes to the language to date, and the latest exam now requires that you demonstrate functional programming competence in order to pass. This guide has you covered, with clear explanations and expert advice.
* Understand abstract classes, interfaces, and class design
* Learn object-oriented design principles and patterns
* Delve into functional programming, advanced strings, and localization
* Master IO, NIO, and JDBC with expert-led database practice
If you're ready to take the next step in your IT career, OCP: Oracle Certified Professional Java SE 8 Programmer II Study Guide is your ideal companion on the road to certification.
Jeanne Boyarsky, OCA/OCP 8, has worked as a Java developer for a bank in NYC for 13 years where she develops, mentors and conducts training. In her free time, she is a senior moderator at CodeRanch and works on the forum code base. Scott Selikoff, OCA/OCP 8, has been a professional Java Enterprise developer for over 15 years. He currently operates Selikoff Solutions, LLC, which provides software consulting services to businesses in the tri-state New York City area.
Introduction xix
Assessment Test xxxviii
Chapter 1 Advanced Class Design 1
Reviewing OCA Concepts 2
Using instanceof 7
Understanding Virtual Method Invocation 9
Annotating Overridden Methods 11
Coding equals, hashCode, and toString 13
Working with Enums 20
Creating Nested Classes 24
Summary 33
Exam Essentials 34
Review Questions 36
Chapter 2 Design Patterns and Principles 47
Designing an Interface 48
Introducing Functional Programming 52
Implementing Polymorphism 61
Understanding Design Principles 66
Working with Design Patterns 75
Summary 93
Exam Essentials 93
Review Questions 95
Chapter 3 Generics and Collections 103
Reviewing OCA Collections 104
Working with Generics 108
Using Lists, Sets, Maps, and Queues 124
Comparator vs. Comparable 143
Searching and Sorting 150
Additions in Java 8 152
Summary 159
Exam Essentials 161
Review Questions 162
Chapter 4 Functional Programming 171
Using Variables in Lambdas 172
Working with Built-In Functional Interfaces 173
Returning an Optional 182
Using Streams 185
Working with Primitives 205
Working with Advanced Stream Pipeline Concepts 213
Summary 223
Exam Essentials 224
Review Questions 226
Chapter 5 Dates, Strings, and Localization 233
Working with Dates and Times 234
Reviewing the String class 253
Adding Internationalization and Localization 255
Summary 273
Exam Essentials 274
Review Questions 276
Chapter 6 Exceptions and Assertions 283
Reviewing Exceptions 284
Creating Custom Exceptions 289
Using Multi-catch 291
Using Try-With-Resources 296
Rethrowing Exceptions 305
Working with Assertions 308
Summary 314
Exam Essentials 315
Review Questions 316
Chapter 7 Concurrency 325
Introducing Threads 327
Creating Threads with the ExecutorService 335
Synchronizing Data Access 350
Using Concurrent Collections 358
Working with Parallel Streams 366
Managing Concurrent Processes 377
Identifying Threading Problems 387
Summary 392
Exam Essentials 393
Review Questions 394
Chapter 8 IO 405
Understanding Files and Directories 406
Introducing Streams 411
Working with Streams 420
Interacting with Users 437
Summary 442
Exam Essentials 443
Review Questions 445
Chapter 9 NIO.2 453
Introducing NIO.2 454
Interacting with Paths and Files 460
Understanding File Attributes 478
Presenting the New Stream Methods 487
Comparing Legacy File and NIO.2 Methods 494
Summary 495
Exam Essentials 495
Review Questions 497
Chapter 10 JDBC 505
Introducing Relational Databases and SQL 507
Introducing the Interfaces of JDBC 511
Connecting to a Database 513
Obtaining a Statement 518
Executing a Statement 520
Getting Data from a ResultSet 524
Closing Database Resources 533
Dealing with Exceptions 535
Summary 536
Exam Essentials 537
Review Questions 539
Appendix A Answers to Review Questions 547
Chapter 1: Advanced Class Design 548
Chapter 2: Design Patterns and Principles 550
Chapter 3: Generics and Collections 553
Chapter 4: Functional Programming 556
Chapter 5: Dates, Strings, and Localization 558
Chapter 6: Exceptions and Assertions 560
Chapter 7: Concurrency 561
Chapter 8: IO 565
Chapter 9: NIO.2 568
Chapter 10: JDBC 571
Appendix B Study Tips 575
Studying for the Test 576
Taking the Test 582
Appendix C Upgrading from Java 6 or Earlier 595
Enhancing the Java Language 596
Formatting and Parsing 603
Applying Locks 607
Understanding the Lock Framework 607
Using a ReentrantLock 610
Understanding Read/Write Locks 614
Using a ReentrantReadWriteLock 615
Working with Directories 617
Summary 633
Exam Essentials 633
Review Questions 635
Answers to Practice Test 645
Index 649
| Erscheinungsjahr: | 2016 |
|---|---|
| Genre: | Importe, Informatik |
| Rubrik: | Naturwissenschaften & Technik |
| Medium: | Taschenbuch |
| Inhalt: | 670 S. |
| ISBN-13: | 9781119067900 |
| ISBN-10: | 1119067901 |
| Sprache: | Englisch |
| Einband: | Kartoniert / Broschiert |
| Autor: |
Boyarsky, Jeanne
Selikoff, Scott |
| Hersteller: |
John Wiley & Sons
John Wiley & Sons Inc |
| Verantwortliche Person für die EU: | Wiley-VCH GmbH, Boschstr. 12, D-69469 Weinheim, amartine@wiley-vch.de |
| Maße: | 233 x 187 x 40 mm |
| Von/Mit: | Jeanne Boyarsky (u. a.) |
| Erscheinungsdatum: | 01.01.2016 |
| Gewicht: | 0,954 kg |
Jeanne Boyarsky, OCA/OCP 8, has worked as a Java developer for a bank in NYC for 13 years where she develops, mentors and conducts training. In her free time, she is a senior moderator at CodeRanch and works on the forum code base. Scott Selikoff, OCA/OCP 8, has been a professional Java Enterprise developer for over 15 years. He currently operates Selikoff Solutions, LLC, which provides software consulting services to businesses in the tri-state New York City area.
Introduction xix
Assessment Test xxxviii
Chapter 1 Advanced Class Design 1
Reviewing OCA Concepts 2
Using instanceof 7
Understanding Virtual Method Invocation 9
Annotating Overridden Methods 11
Coding equals, hashCode, and toString 13
Working with Enums 20
Creating Nested Classes 24
Summary 33
Exam Essentials 34
Review Questions 36
Chapter 2 Design Patterns and Principles 47
Designing an Interface 48
Introducing Functional Programming 52
Implementing Polymorphism 61
Understanding Design Principles 66
Working with Design Patterns 75
Summary 93
Exam Essentials 93
Review Questions 95
Chapter 3 Generics and Collections 103
Reviewing OCA Collections 104
Working with Generics 108
Using Lists, Sets, Maps, and Queues 124
Comparator vs. Comparable 143
Searching and Sorting 150
Additions in Java 8 152
Summary 159
Exam Essentials 161
Review Questions 162
Chapter 4 Functional Programming 171
Using Variables in Lambdas 172
Working with Built-In Functional Interfaces 173
Returning an Optional 182
Using Streams 185
Working with Primitives 205
Working with Advanced Stream Pipeline Concepts 213
Summary 223
Exam Essentials 224
Review Questions 226
Chapter 5 Dates, Strings, and Localization 233
Working with Dates and Times 234
Reviewing the String class 253
Adding Internationalization and Localization 255
Summary 273
Exam Essentials 274
Review Questions 276
Chapter 6 Exceptions and Assertions 283
Reviewing Exceptions 284
Creating Custom Exceptions 289
Using Multi-catch 291
Using Try-With-Resources 296
Rethrowing Exceptions 305
Working with Assertions 308
Summary 314
Exam Essentials 315
Review Questions 316
Chapter 7 Concurrency 325
Introducing Threads 327
Creating Threads with the ExecutorService 335
Synchronizing Data Access 350
Using Concurrent Collections 358
Working with Parallel Streams 366
Managing Concurrent Processes 377
Identifying Threading Problems 387
Summary 392
Exam Essentials 393
Review Questions 394
Chapter 8 IO 405
Understanding Files and Directories 406
Introducing Streams 411
Working with Streams 420
Interacting with Users 437
Summary 442
Exam Essentials 443
Review Questions 445
Chapter 9 NIO.2 453
Introducing NIO.2 454
Interacting with Paths and Files 460
Understanding File Attributes 478
Presenting the New Stream Methods 487
Comparing Legacy File and NIO.2 Methods 494
Summary 495
Exam Essentials 495
Review Questions 497
Chapter 10 JDBC 505
Introducing Relational Databases and SQL 507
Introducing the Interfaces of JDBC 511
Connecting to a Database 513
Obtaining a Statement 518
Executing a Statement 520
Getting Data from a ResultSet 524
Closing Database Resources 533
Dealing with Exceptions 535
Summary 536
Exam Essentials 537
Review Questions 539
Appendix A Answers to Review Questions 547
Chapter 1: Advanced Class Design 548
Chapter 2: Design Patterns and Principles 550
Chapter 3: Generics and Collections 553
Chapter 4: Functional Programming 556
Chapter 5: Dates, Strings, and Localization 558
Chapter 6: Exceptions and Assertions 560
Chapter 7: Concurrency 561
Chapter 8: IO 565
Chapter 9: NIO.2 568
Chapter 10: JDBC 571
Appendix B Study Tips 575
Studying for the Test 576
Taking the Test 582
Appendix C Upgrading from Java 6 or Earlier 595
Enhancing the Java Language 596
Formatting and Parsing 603
Applying Locks 607
Understanding the Lock Framework 607
Using a ReentrantLock 610
Understanding Read/Write Locks 614
Using a ReentrantReadWriteLock 615
Working with Directories 617
Summary 633
Exam Essentials 633
Review Questions 635
Answers to Practice Test 645
Index 649
| Erscheinungsjahr: | 2016 |
|---|---|
| Genre: | Importe, Informatik |
| Rubrik: | Naturwissenschaften & Technik |
| Medium: | Taschenbuch |
| Inhalt: | 670 S. |
| ISBN-13: | 9781119067900 |
| ISBN-10: | 1119067901 |
| Sprache: | Englisch |
| Einband: | Kartoniert / Broschiert |
| Autor: |
Boyarsky, Jeanne
Selikoff, Scott |
| Hersteller: |
John Wiley & Sons
John Wiley & Sons Inc |
| Verantwortliche Person für die EU: | Wiley-VCH GmbH, Boschstr. 12, D-69469 Weinheim, amartine@wiley-vch.de |
| Maße: | 233 x 187 x 40 mm |
| Von/Mit: | Jeanne Boyarsky (u. a.) |
| Erscheinungsdatum: | 01.01.2016 |
| Gewicht: | 0,954 kg |
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